diff --git a/src/cpp/CMakeLists.txt b/src/cpp/CMakeLists.txt
index a00bd68b6..7f73ae2a7 100644
--- a/src/cpp/CMakeLists.txt
+++ b/src/cpp/CMakeLists.txt
@@ -260,6 +260,7 @@ ADD_SHARED_LIBRARY( lcio
 INSTALL_SHARED_LIBRARY( lcio DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT LCIOTargets )
 target_include_directories(lcio PUBLIC
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/cpp/include>
+  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/cpp/include/pre-generated>
   $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
 )